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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Assets\Exporter; |
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use RuntimeException; |
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use Yiisoft\Assets\AssetExporterInterface; |
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use Yiisoft\Assets\AssetUtil; |
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use function array_shift; |
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use function array_unique; |
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use function implode; |
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use function is_array; |
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/** |
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* Exports the CSS and JavaScript file paths of asset bundles, converting them to `import '/path/to/file';` |
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* expressions and placing them in the specified JavaScript file for later loading into Webpack. |
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* |
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* {@see https://webpack.js.org/concepts/#entry} |
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*/ |
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final class WebpackAssetExporter implements AssetExporterInterface |
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{ |
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/** |
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* @var string The full path to the target JavaScript file. |
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*/ |
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private string $targetFile; |
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/** |
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* @param string $targetFile The full path to the target JavaScript file. |
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*/ |
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public function __construct(string $targetFile) |
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{ |
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$this->targetFile = $targetFile; |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* @throws RuntimeException If an error occurred while writing to the JavaScript file. |
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*/ |
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public function export(array $assetBundles): void |
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{ |
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$imports = []; |
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foreach ($assetBundles as $bundle) { |
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if ($bundle->cdn || empty($bundle->sourcePath)) { |
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continue; |
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} |
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foreach ($bundle->css as $css) { |
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if ($css !== null) { |
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$file = is_array($css) ? array_shift($css) : $css; |
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$imports[] = "import '{$bundle->sourcePath}/{$file}';"; |
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} |
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} |
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foreach ($bundle->js as $js) { |
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if ($js !== null) { |
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$file = is_array($js) ? array_shift($js) : $js; |
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$imports[] = "import '{$bundle->sourcePath}/{$file}';"; |
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} |
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} |
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} |
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AssetUtil::exportToFile($this->targetFile, implode("\n", array_unique($imports)) . "\n"); |
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} |
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} |
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yiisoft /
assets
